From: patchwork-bot+netdevbpf@kernel.org
To: Eduard Zingerman <eddyz87@gmail.com>
Cc: bpf@vger.kernel.org, ast@kernel.org, andrii@kernel.org,
daniel@iogearbox.net, martin.lau@linux.dev, kernel-team@fb.com,
yonghong.song@linux.dev, memxor@gmail.com, npc@anthropic.com
Subject: Re: [PATCH bpf 1/2] bpf: don't downgrade half-dead scalar zero spills to STACK_ZERO
Date: Fri, 28 Aug 2026 17:50:06 +0000 [thread overview]
Message-ID: <178793940689.2709471.3309560614561309281.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260827-bug-011-cleanfunc-stack-zero-simple-v1-v1-1-c0e996589a52@gmail.com>
Hello:
This series was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Thu, 27 Aug 2026 15:48:23 -0700 you wrote:
> states.c:__clean_func_state() can downgrade scalar zero spill to
> STACK_ZERO in the following case:
>
> *(u64 *)(r10 - 8) = 0;
> ... checkpoint ...
> r1 = *(u32 *)(r10 - 4);
> ... no reads from r10-8 ...
>
> [...]
Here is the summary with links:
- [bpf,1/2] bpf: don't downgrade half-dead scalar zero spills to STACK_ZERO
https://git.kernel.org/bpf/bpf/c/2f3536bff882
- [bpf,2/2] selftests/bpf: half-dead scalar zero stack spill test
https://git.kernel.org/bpf/bpf/c/c6ff14f1cd9e
You are awesome, thank you!
--
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prev parent reply other threads:[~2026-08-28 17:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-27 22:48 [PATCH bpf 1/2] bpf: don't downgrade half-dead scalar zero spills to STACK_ZERO Eduard Zingerman
2026-08-27 22:48 ` [PATCH bpf 2/2] selftests/bpf: half-dead scalar zero stack spill test Eduard Zingerman
2026-08-28 17:50 ` patchwork-bot+netdevbpf [this message]
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